This document contains incomplete words that when filled in correctly would relate to various physical activities and sports. Some of the activities hinted at include swimming, underwater, football, weightlifting, hiking, finishing, athletics, horse riding, golf, jogging, rock climbing, cycling, baseball, basketball, and climbing.

1. Fill in the missing letters
S_i_ _g
_ _nds_rf
f_o_ _ _ll
W_ig_ _lif_ing
i_e h_ _ke_
f_n_i_g
At_l_ti_ _
Ho_ _e r_di_g
G_ _ _
J_ _ _
t_n_ _ s
h_ck_ _
C_c_ _ng
B_s_e_ _al_
B_s_b_ll
Cl_ _bi_g